ASTM D2268 - 93(2017) - Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography

ASTM D2268 - 93(2017)

Standard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography

Status : Current   Published : October 2017

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PDF

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1.1 This test method covers and provides for the analysis of high-purity (greater than 99.5 % by volume) n-heptane and isooctane (2,2,4-trimethylpentane), which are used as primary reference standards in determining the octane number of a fuel. Individual compounds present in concentrations of less than 0.01 % can be detected. Columns specified by this test method may not allow separation of all impurities in reference fuels.

1.2 The values stated in SI units are to be regarded as the standard.

1.2.1  Exception—The values given in parentheses are for information only.

1.3  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D2268 - 93(2017)
TitleStandard Test Method for Analysis of High-Purity n-Heptane and Isooctane by Capillary Gas Chromatography
StatusCurrent
Publication Date01 October 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors ASTM knock test reference fuels, Capillary column, Gas chromatography, isooctane, n-heptane
ICS71.080.10
PublisherASTM
FormatA4
DeliveryYes
Pages4
File Size106 KB
Price£36.00


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